diff --git a/composer.json b/composer.json
index 05a17c3..0334f72 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,6 @@
   },
   "require": {
     "php": ">=5.3.3",
-    "apache/log4php": "2.1.0"
+    "apache/log4php": ">=2.1.0"
   }
 }